As an essential part of the grassland ecological system, study on the carbon storage has great significances to the carbon reduction in grassland ecological system. The carbon storage in biomass, carbon storage in soil and soil respiration are summarized in this paper to provide scientific...

Based on the characteristics of physiological development of China's juvenile men sprinters, combined with the training mechanism of explosive force, and taking the track-and-field team of Jianshan High School in Chongqing as experimental object, this article selects the combination of one leg...